TABLE 2.

Longitudinal association of exercise or rehabilitation therapy with odds of hospital encounter

	Exercise duration**			Exercise intensity			Physical therapy use			Occupational therapy use			Physical therapy referral at middle visit
Co‐variates	OR	SE	P value	OR	SE	P value	OR	SE	P value	OR	SE	P value	OR	SE	P value
Follow‐up time (y)	1.09	0.01	<0.001	1.09	0.01	<0.001	1.01	0.006	<0.001	1.09	0.006	<0.001
Age*	1.14	0.034	<0.001	1.14	0.034	<0.001	1.12	0.02	<0.001	1.15	0.02	<0.001	1.26	0.146	0.114
H&Y 2.5–3	1.34	0.077	<0.001	1.35	0.077	<0.001	1.36	0.044	<0.001	1.41	0.044	<0.001	1.08	0.315	0.81
H&Y 4–5	1.27	0.237	0.307	1.28	0.237	0.301	1.41	0.1	<0.001	1.39	0.101	0.001	2.15	0.579	0.187
TUG time (s)*	1.06	0.043	0.167	1.07	0.043	0.145	1.14	0.021	<0.001	1.14	0.021	<0.001	1.08	0.069	0.246
Cognition z score	0.967	0.047	0.474	0.961	0.047	0.397	0.909	0.028	<0.001	0.936	0.028	0.02	1.2	0.209	0.382
Variable of interest	0.899	0.03	<0.001	0.927	0.03	0.012	2.15	0.031	<0.001	2.87	0.044	<0.001	0.84	0.146	0.241

^*Age and TUG time were standardized based on the mean and SD values at the baseline visit.

^**Exercise duration was standardized using the mean and SD of all observations.

Abbreviations: H&Y, Hoehn and Yahr; OR, odds ratio; SD, standard deviation; SE, standard error; TUG, Timed Up and Go.